Trial to find effective protection from de-icing
Winter gives us time to look into things we've seen, such as
whether street trees we passed recently will have good salt
protection for their root zones.
The best gardening is experimental
as well as ephemeral.
- Christopher Lloyd -
In a home garden, a curb can protect a garden from salt-laden
meltwater. Fast-moving traffic along major streets splashes salt
over curbs. So these root balls are covered. Good move!
However, will the salty water end up
concentrated in that gap between tarp and pavement?
We've heard of other techniques, but not seen comparisons or
heard about the practicalities. Here's a place where a side by side
test might be done.
Wonder if the landscape managers might cover every other tree
pit with baled straw, next year? The trees' subsequent growth would
tell whether the straw might do a better job of filtering salt,
make it simpler to remove the residue from the root zone.
The test could also include what some gardeners do who manage
salt spray over beds in downtown Chicago walkways. They roll out
sod over the beds, then take it and its salt burden away in
More salty stuff
There is more about protecting a landscape from de-icing salt,
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